Inside November 2012

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    Letters to the editor

    The elephant’s toothpaste demonstration — used for the puking pumpkin in the October issue of Chem 13 News (page 20) — is truly a favourite demonstration of mine.


    Category: From our readers Letters to the Editor
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    There are no shortcuts

    After more than 25 years as a classroom teacher, I think I have it figured out. Properly done, the whole school thing — at least for senior high school and university students — boils down to this...


    Category: Pedagogy, opinion and advice Editorials Feature
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    PM2.5 pollution on Science 2.0

    I have posted the article below about PM2.5 pollution on Science 2.0. This website is a combined science magazine, blog and Facebook-type site for scientists and science educators. It has been in existence for about five years. Everything ever written for the site is accessible and free of charge.


    Category: Recommended Links2 Feature
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    An unusual and simply prepared compound of copper

    At one time or another, all chemistry students have seen the colourful salts of copper(II), most commonly blue and green ones. Many students have investigated the reactions of copper(II) with a variety of common reagents as an exercise in qualitative inorganic analysis. However, few have investigated the chemistry of copper’s other oxidation state, copper(I); the only salts of copper(I) usually encountered are the oxide (red copper oxide) or one of its halides.


    Category: Activities Classroom Feature